How To Replace Basement Windows With Glass Block

Replacing Basement Windows with Glass Block: A Comprehensive Guide

Basement windows play a crucial role in providing natural light, ventilation, and a sense of spaciousness to underground spaces. However, traditional basement windows can be prone to leaks, condensation, and security issues. Glass block windows offer an excellent solution to these problems, providing both durability and aesthetic appeal.

Replacing basement windows with glass block may seem like a daunting task, but with the right tools and knowledge, it can be achieved in a few simple steps. This comprehensive guide will provide you with all the essential information you need to successfully complete this project.

Essential Tools and Materials

Before you begin, gather the necessary tools and materials:

* Safety glasses * Work gloves * Hammer * Pry bar * Circular saw * Level * Caulk gun * Glass block mortar mix * Glass blocks * Concrete blocks (if needed) * Bricks or paving stones (if needed) * Window flashing

Step 1: Remove the Existing Window

1. Wear safety glasses and gloves for protection.

2. Use a hammer and pry bar to carefully remove the existing window frame.

3. Cut the window well opening wider if necessary to accommodate the glass block window.

Step 2: Prepare the Window Well

1. Inspect the window well for any cracks or gaps and seal them with caulk.

2. Level the bottom of the window well using concrete blocks or bricks as needed.

3. Spread a layer of gravel or sand at the bottom of the window well for drainage.

Step 3: Install the Glass Block Window

1. Measure the opening and cut the glass blocks to size using a circular saw.

2. Spread a layer of glass block mortar mix on the bottom of the window well.

3. Place the first layer of glass blocks on the mortar mix and press them down firmly.

4. Continue stacking the glass blocks in rows, staggering the joints for stability.

5. Fill the joints between the glass blocks with mortar mix as you stack them.

6. Use a level to ensure that the window is straight and level.

Step 4: Install the Window Flashing

1. Cut window flashing to fit around the perimeter of the glass block window.

2. Install the flashing, overlapping the edges of the window and the surrounding concrete wall.

Step 5: Seal and Finish

1. Caulk around the edges of the window to seal any gaps between the glass blocks and the concrete wall.

2. Allow the mortar mix to cure for at least 24 hours before backfilling the window well.

3. Backfill the window well with soil or gravel, tamping it down firmly.

4. Install a window grate or screen for added security and protection.

Replacing basement windows with glass block is a cost-effective and long-lasting solution that will enhance the comfort and value of your home. By following these steps carefully, you can complete this project with confidence and enjoy the benefits of a durable and attractive glass block window.